The document describes the Clock Spring® repair system, which includes a three-part system consisting of a composite coil, pipe reinforcement, and a memory matrix with adhesive and filler for repairing various pipe defects. It outlines specific applications for corrosion defects, dents, and cracks, as well as the installation steps involved in applying the system. The process is designed to be easy and fast, with certain repairs permitted for pipes with less than 80% wall loss.

1. www.clockspring.com

2. Clock Spring® Repair System
• Three part system
o Composite coil
• Pipe reinforcement
• Uni-directional e-glass
• Polyester base
• Memory matrix
o Adhesive
o Filler
• Load transfer
• Easy and fast

3. Specific Repairs Permitted
• Corrosion defects (<80% through wall)
• Blunt dent and gouge repairs
• Girth weld zone repairs
• Defects in field bends
• Defect in elbow (>5D)
• Arresting cracks (new pipe)
• GRIWrap

4. Clock Spring®
Installation
The entire sequence…..

5. Installation
Mark Clock Spring® location.

6. Installation
Mix and apply filler.

7. Installation
Apply starter pad and filler.

8. Installation
Apply adhesive to the pipe.

9. Installation
Start winding Clock Spring®

10. Installation
Wind Clock Spring®, apply adhesive, 8 wraps.

11. Installation
Tighten and secure.

12. Installation
Cure (2 hours), re-coat, backfill.